A 27-year old female presents to ED one hour after swallowing 70 x 40mg propranolol tablets (= 2.8 grams) with suicidal intent. At the time of assessment she is drowsy (GCS 13) with a heart rate of 46 bpm. Fifteen minutes earlier she had been awake and able to give a history to paramedics… You need to act fast to save this patient. Are you up to the challenge?